Merge pull request #23 from apiiro/talfin/missing-tree

Handle missing tree error

README.md

@@ -6,7 +6,7 @@ Tool to create a git revision snapshot for an existing repository clone.
 
 ```
 NAME:
-   git-snap - 1.18 - Create a git revision snapshot for an existing repository clone. Symbolic link files will be omitted.
+   git-snap - 1.19 - Create a git revision snapshot for an existing repository clone. Symbolic link files will be omitted.
 
 USAGE:
    git-snap --src value --rev value   --out value           [optional flags]

git/git.go

@@ -311,7 +311,10 @@ func (provider *repositoryProvider) snapshot(repository *git.Repository, commit
 
 	tree, err := commit.Tree()
 	if err != nil {
-		return 0, fmt.Errorf("failed to get tree of commit '%v': %v", commit.Hash, err)
+        return 0, util.ErrorWithCode{
+            StatusCode:    util.ERROR_TREE_NOT_FOUND,
+            InternalError: fmt.Errorf("failed to get tree of commit '%v': %v", commit.Hash, err),
+        }
 	}
 	count := 0
 

main.go

@@ -10,7 +10,7 @@ import (
 	"github.com/urfave/cli/v2"
 )
 
-const VERSION = "1.18"
+const VERSION = "1.19"
 
 func main() {
 	cli.AppHelpTemplate =
@@ -33,6 +33,7 @@ EXIT CODES:
 	205	Provided revision could not be found
 	206 Double check for files discrepancy failed
 	207 HEAD ref not found
+	208 tree not found
 	1	Any other error
 `
 

util/errors.go

@@ -8,6 +8,7 @@ const (
 	ERROR_NO_REVISION        = 205
 	ERROR_FILES_DISCREPANCY  = 206
 	ERROR_HEAD_REF_NOT_FOUND = 207
+	ERROR_TREE_NOT_FOUND     = 208
 	ERROR_PATH_TOO_LONG      = 101
 )